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Finding the Third Proportional to 340,841.25 and 528,486.19

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Solution

The third proportional to 340,841.25 and 528,486.19 is: 819,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,841.25 : 528,486.19 = 528,486.19 : x
  2. Step 2: Convert to fraction form
    340,841.25/528,486.19 = 528,486.19/x
  3. Step 3: Cross multiply
    340,841.25x = 528,486.19 × 528,486.19
  4. Step 4: Simplify right side
    340,841.25x = 279,297,650,378.29
  5. Step 5: Solve for x
    x = 279,297,650,378.29/340,841.25
  6. Step 6: Final answer
    x = 819,436.18

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.